Here's what rhymes with mphonic.
sonic phonic ionic tonic conic chronic ironic iconic mnemonic symphonic bionic avionic embryonic harmonic tectonic chorionic colonic demonic sardonic isotonic laconic subsonic telephonic daemonic monophonic infrasonic acetonic hegemonic supersonic hypertonic monotonic platonic polyphonic synchronic diatonic electronic ultrasonic diachronic ganglionic histrionic planktonic catatonic hydroponic stereophonic philharmonic quadraphonic quadrophonic pathognomonic architectonic microelectronic Words that almost rhyme with mphonic
comic atomic economic anatomic genomic autonomic diatomic ergonomic subatomic taxonomic uneconomic agronomic astronomic gastronomic tragicomic socioeconomic macroeconomic microeconomic folic hayrick logic topic gothic boric formic frolic meiotic myopic cirrhotic seraphic rollick cosmic toxic aortic chaotic erotic exotic garlic neurotic caustic episodic melodic psychotic idiotic phenolic semiotic tropic atopic biotic cathodic euphoric gnostic iambic karmic nephrotic bardic xenophobic heartsick strophic subtopic carsick historic symbolic periodic aquatic hydraulic philosophic caloric despotic hypnotic narcotic systolic ascorbic endoscopic isotopic metaphoric necrotic pyloric symbiotic synoptic anabolic anarchic anoxic basaltic cathartic fibrotic hypoxic lethargic meteoric robotic sclerotic demagogic folkloric hierarchic rhapsodic theosophic chopstick shambolic placekick alcoholic metabolic apostolic biologic diastolic geologic isotropic neurologic pathologic philanthropic carbolic hyperbolic morphologic parabolic psychologic spasmodic yardstick agnostic melancholic nontoxic orthodontic pedagogic quixotic telescopic thrombotic antarctic bucolic diabolic homoerotic vitriolic acrostic ecologic misanthropic subarctic workaholic allegoric sophomoric subtropic aetiologic chocoholic shopaholic chocaholic horologic microscopic patriotic antibiotic physiologic cytotoxic histologic macroscopic anisotropic etiologic immunologic metamorphic hematologic oligarchic peristaltic psychotropic arthroscopic gyroscopic nonnarcotic haematologic noncaloric gynaecologic seismologic astronautic diagnostic hydrochloric prehistoric catastrophic prognostic gynecologic polymorphic stereoscopic fluoroscopic microcosmic unpatriotic nonalcoholic macrobiotic posthypnotic anthropomorphic atherosclerotic epidemiologic pharmacologic spectroscopic kaleidoscopic antispasmodic stroboscopic meteorologic electroscopic submicroscopic bacteriologic